The Delfield UC4427N is a one door refrigerator with a salad top. Top of door unit has one opening to accept six 1/6-size 4-6” deep pans or one 12” x 20” full size pan. Adapter bars and 1/6 size pans are supplied by Delfield. Lid is constructed of 20-gauge stainless steel. Temperature in top opening to maintain 33°F to 41°F, with pans recessed 2.5” at 86°F ambient room temperature, meeting NSF 7 requirements. One 27” x 10” x .5” (68.6cm x 25.4cm x 1.3cm) plastic cutting board is mounted on the top at the front edge.